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. Author manuscript; available in PMC: 2017 Dec 15.
Published in final edited form as: N Engl J Med. 2017 May 4;376(24):2341–2348. doi: 10.1056/NEJMoa1614835

Figure 2. Duration of Treatment and Length of Hospital Stay.

Figure 2

The duration of treatment (Panel A) and length of hospital stay (Panel B) were shorter in the buprenorphine group than in the morphine group (P<0.001 for both comparisons). Randomization was stratified according to the type of intended feeding method (bottle-feeding or breast-feeding). The box-and-whisker plots represent medians (horizontal lines) and interquartile ranges (top and bottom of the boxes); the I bars represent the maximum or minimum value or 1.5 times the interquartile range. Outliers are indicated by circles.